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15316331420140 = 2257310490637959
BaseRepresentation
bin1101111011100001110001…
…1111100101100111101100
32000020020010110201111202021
43132320130133211213230
54001420321320421030
652324120413435524
73140365653663652
oct336703437454754
960206113644667
1015316331420140
11497568a877513
1218744a849bba4
138714296838aa
143ad4589badd2
151b862d98297a
hexdee1c7e59ec

15316331420140 has 24 divisors (see below), whose sum is σ = 32604902779680. Its totient is φ = 6042607463808.

The previous prime is 15316331420119. The next prime is 15316331420147. The reversal of 15316331420140 is 4102413361351.

It is a junction number, because it is equal to n+sod(n) for n = 15316331420096 and 15316331420105.

It is not an unprimeable number, because it can be changed into a prime (15316331420147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5245317520 + ... + 5245320439.

It is an arithmetic number, because the mean of its divisors is an integer number (1358537615820).

Almost surely, 215316331420140 is an apocalyptic number.

15316331420140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15316331420140 is an abundant number, since it is smaller than the sum of its proper divisors (17288571359540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15316331420140 is a wasteful number, since it uses less digits than its factorization.

15316331420140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10490638041 (or 10490638039 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 15316331420140 its reverse (4102413361351), we get a palindrome (19418744781491).

The spelling of 15316331420140 in words is "fifteen trillion, three hundred sixteen billion, three hundred thirty-one million, four hundred twenty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 10490637959 20981275918 41962551836 52453189795 104906379590 209812759180 765816571007 1531633142014 3063266284028 3829082855035 7658165710070 15316331420140